package com.hafu.util;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
public class DbUtil {
                private static final String URL = "jdbc:mysq|://localhost:3306/db_jxcms1?useUnicode=true&characterEncoding=utf-8&useSSL=false";
    private static final String USERNAME= "root";
    private static final String PASSWORD="123456";
    private static Connection connection = null;
    public static Connection getConn(){
        try{
            connection =DriverManager.getConnection(URL, USERNAME, PASSWORD);
            System.out.println("数据库连接成功");
        }catch(SQLException throwables) {
            throwables.printStackTrace();
        }
        return connection;
    }

        public static void closeConn() {
        try{
            if (connection != null) {
                connection.close();
            }
            }catch(SQLException throwables) {
                throwables.printStackTrace();
            }
        }
            public static void main(String[]args){
            System.out.println(DbUtil.getConn());
        }
    }